---> uname -a: Linux prd-queue-disttest-2c-1g-437 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.8G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 729 5408 4 2091 7212 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:09:ba:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82653sec preferred_lft 82653sec inet6 fe80::f816:3eff:fe09:ba68/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-437) 07/30/26 _x86_64_ (2 CPU) 00:31:56 LINUX RESTART (2 CPU) 00:40:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.35 0.01 1.34 0.00 0.06 15.68 0.13 01:00:26 14.04 0.00 1.60 12.43 0.14 18.77 103219.62 01:10:36 1.34 0.00 1.34 0.00 0.00 15.34 0.12 01:20:01 1.36 0.00 1.36 0.00 0.01 15.48 0.04 01:30:36 1.71 0.01 1.68 0.02 0.57 20.21 0.25 Average: 4.06 0.01 1.47 2.59 0.16 17.17 21430.83 00:40:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5669916 7501824 283764 3.49 63920 1943844 560240 6.10 487356 1715520 192 01:00:26 5664692 7497208 288240 3.54 64084 1944232 560240 6.10 488164 1716064 184 01:10:36 5664692 7497684 287772 3.54 64228 1944548 560396 6.10 489604 1716536 124 01:20:01 5662676 7496112 289312 3.56 64368 1944872 560448 6.10 491976 1716972 160 01:30:36 5641596 7475884 309432 3.80 64544 1945504 560576 6.11 494616 1717556 172 Average: 5660714 7493742 291704 3.59 64229 1944600 560380 6.10 490343 1716530 166 00:40:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.56 0.11 0.34 0.06 0.00 0.00 0.00 0.00 01:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:26 ens3 0.39 0.03 0.05 0.01 0.00 0.00 0.00 0.00 01:10:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:36 ens3 0.39 0.06 0.09 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.43 0.11 0.14 0.08 0.00 0.00 0.00 0.00 01:30:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:36 ens3 0.46 0.12 0.15 0.08 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.83 0.09 0.15 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-437) 07/30/26 _x86_64_ (2 CPU) 00:31:56 LINUX RESTART (2 CPU) 00:40:26 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.24 0.00 0.08 0.01 0.03 99.63 00:50:01 0 0.42 0.00 0.07 0.01 0.02 99.48 00:50:01 1 0.07 0.00 0.10 0.01 0.04 99.78 01:00:26 all 0.22 0.00 0.16 0.03 0.04 99.55 01:00:26 0 0.25 0.00 0.17 0.05 0.03 99.49 01:00:26 1 0.20 0.00 0.14 0.00 0.04 99.62 01:10:36 all 0.25 0.00 0.06 0.01 0.03 99.65 01:10:36 0 0.04 0.00 0.08 0.01 0.04 99.82 01:10:36 1 0.45 0.00 0.05 0.00 0.02 99.48 01:20:01 all 0.20 0.00 0.07 0.01 0.03 99.69 01:20:01 0 0.04 0.00 0.08 0.01 0.04 99.83 01:20:01 1 0.36 0.00 0.05 0.01 0.03 99.56 01:30:36 all 0.28 0.00 0.16 0.01 0.03 99.52 01:30:36 0 0.14 0.00 0.18 0.01 0.04 99.63 01:30:36 1 0.42 0.00 0.13 0.01 0.03 99.41 Average: all 0.24 0.00 0.11 0.01 0.03 99.61 Average: 0 0.18 0.00 0.12 0.02 0.04 99.65 Average: 1 0.30 0.00 0.10 0.01 0.03 99.56